Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging

Ding, Jianxiang; Tian, Wenbin; Zhang, Peigen; Zhang, Min; Chen, Jian; Zhang, Yamei; Sun, ZhengMing

doi:10.1007/s40145-018-0296-y

Cited by 43 publications

(12 citation statements)

References 17 publications

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“…The distinct crack healing ability [80,81,83,85,87,89,98,100,103] and other attractive high temperature properties including high strength [47,48], nonsusceptibility to thermal shock [88,90,91], good oxidation resistance [48,62,105], and good ablation resistance [95], make the MAX phases the materials of choice for applications in combustion gas turbines, heat elements, and liners for industrial furnaces, nozzles, hypersonic vehicles, refractories, and coatings. In addition, MAX particles are also good healing agents in ceramic and metal matrix composites to repair damages.…”

Section: Potential Applications Of Max Phasesmentioning

confidence: 99%

“…MAX/Cu composites have been developed as pantographs and applied successfully in high-speed trains with speeds of 250-300 km/h in China [108]. Ti 2 SnC/Ag composites as electrical contacts have also been developed [105]. These key components with MAX self-healing agents may repair cracks by electrochemical oxidation induced crack healing mechanism.…”

Section: Potential Applications Of Max Phasesmentioning

confidence: 99%

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From structural ceramics to 2D materials with multi-applications: A review on the development from MAX phases to MXenes

et al. 2021

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MAX phases (Ti3SiC2, Ti3AlC2, V2AlC, Ti4AlN3, etc.) are layered ternary carbides/nitrides, which are generally processed and researched as structure ceramics. Selectively removing A layer from MAX phases, MXenes (Ti3C2, V2C, Mo2C, etc.) with two-dimensional (2D) structure can be prepared. The MXenes are electrically conductive and hydrophilic, which are promising as functional materials in many areas. This article reviews the milestones and the latest progress in the research of MAX phases and MXenes, from the perspective of ceramic science. Especially, this article focuses on the conversion from MAX phases to MXenes. First, we summarize the microstructure, preparation, properties, and applications of MAX phases. Among the various properties, the crack healing properties of MAX phase are highlighted. Thereafter, the critical issues on MXene research, including the preparation process, microstructure, MXene composites, and application of MXenes, are reviewed. Among the various applications, this review focuses on two selected applications: energy storage and electromagnetic interference shielding. Moreover, new research directions and future trends on MAX phases and MXenes are also discussed.

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Section: Potential Applications Of Max Phasesmentioning

confidence: 99%

Section: Potential Applications Of Max Phasesmentioning

confidence: 99%

From structural ceramics to 2D materials with multi-applications: A review on the development from MAX phases to MXenes

et al. 2021

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“…Over the past decades, MAX phase [8][9][10] , combining excellent properties of metal and ceramic, has been widely investigated in various elds [11][12][13][14][15][16] . As a representative member of MAX family, Ti 3 AlC 2 has been used to reinforce Ag matrix as the electrical contact material [17][18][19][20][21] .…”

Section: Introductionmentioning

confidence: 99%

Preparation and Properties of Ag-Based Electrical Contact Material Reinforced by Ti3AlC2 Ceramic and its Derivative Ti3C2Tx

Ding¹,

Zhang

et al. 2021

Preprint

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As a new kind of two-dimensional carbide material, Ti3C2Tx has revealed its exceptional potentials in many applications. Herein, we successfully prepared the Ag/Ti3C2Tx composite by powder metallurgy and investigated its comprehensive properties by compared with Ag/Ti3AlC2 composite. The Ag/Ti3C2Tx was found to possess the 29% lower resistivity(30×10-3 μΩ·m) than Ag/Ti3AlC2(42×10-3 μΩ·m) and excellent machinability with intermediate hardness (64 HV), showing broad application prospect as non-toxic electrical contact materials. The improved conductivity of Ag/Ti3C2Tx composite is attributed to the metallicity of Ti3C2Tx itself, the good interface bonding between the Ti3C2Tx and Ag, and the microstructural features rendered by the deformability of Ti3C2Tx. Although the arc erosion resistance of Ag/Ti3C2Tx needs to be further improved, it is a powerful and potential alternative material for the Ag/CdO in the further.

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“…The synthesis of high-purity MAX phase powders will bene t to the production of MAX components with complicated structures via ceramic processing like slip casting, and also the development of MAX-reinforced composites. For instance, MAX phase can be used as the reinforcements for metal-based electrical contacts [16][17][18][19][20][21], where the synthesis of high-purity MAX powder is the prerequisite for the developments of high-performance Ag-MAX composites.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Ti3GeC2 Powders from Ti-Ge-TiC Mixtures by Pressureless Sintering

Qiaodan¹,

Tian²,

Sun³

et al. 2020

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Ti3GeC2 compound has excellent electrical and mechanical properties, which can be used as a potential reinforcement for Ag-based electrical contact materials. However, few reports have been addressed on the synthesis of its powders. The present study, therefore, presents a new route to fabricate high-purity Ti3GeC2 powders from Ti/Ge/TiC by pressureless sintering in vacuum. The influence of sintering temperature and Ge content on the powder purity was studied and the optimized conditions are found to be 1550 ℃ and Ti:Ge:TiC=1:1.1:2. In addition, the reaction path of Ti/Ge/TiC was revealed to be three steps: First, liquid Ge starts to react with Ti to form Ti5Ge3 compounds at around 1140 ℃; Then Ti5Ge3 consumes the liquid Ge and TiC to form Ti2GeC at around 1200 ℃; Finally, Ti2GeC transfers into Ti3GeC2 with the consumption of residual TiC. The present study lays the foundation for the subsequent applications of Ti3GeC2 powders in high performance composites.

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Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging

Cited by 43 publications

References 17 publications

From structural ceramics to 2D materials with multi-applications: A review on the development from MAX phases to MXenes

From structural ceramics to 2D materials with multi-applications: A review on the development from MAX phases to MXenes

Preparation and Properties of Ag-Based Electrical Contact Material Reinforced by Ti3AlC2 Ceramic and its Derivative Ti3C2Tx

Synthesis of Ti3GeC2 Powders from Ti-Ge-TiC Mixtures by Pressureless Sintering

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